Hearts of Iron 4 might be nearly eight years old, but there are plenty of reasons to keep coming back to the World War II grand strategy game giant. Boasting a 92% Steam rating from nearly 200,000 user reviews, HOI 4 stands tall among the likes of Stellaris, Crusader Kings 3, Europa Universalis 4, and Age of Wonders 4 as some of Paradox’s finest – and most grounded – work to date. Now, alongside the upcoming Hearts of Iron 4 DLC Trial of Allegiance, all players are set to be treated to a sizable free update.

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